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WILDLIFE <br />p. 32 <br />Table 2D cont'd <br />Category <br />Minimum cfs <br />Interval <br />Source & Remarks <br />Whooping <br />2,000 <br />2/15 -5/10 <br />and autumn <br />Ziewitz (1987, p 10) <br />endorsed by USFWS <br />Cranes <br />(1987e, p 22) <br />To provide the most roost <br />habitat of the highest qual- <br />ity.° <br />1,200 <br />during <br />USFWS (1987b, p 22)p <br />migration <br />Least Tern and Piping <br />PloverQ <br />"I <br />No scouring flows <br />:11 <br />800 to 2,5W <br />:11 • <br />11 <br />throughout <br />the year <br />5/10 -8/10 <br />23 days any <br />time of year except <br />5/10 -8/10 <br />during <br />spring and summer <br />nesting <br />May 15 to <br />Sept 15 <br />NGPC (1985a, p 44) and <br />NGPC (1985b, p 5) <br />To maintain prey fish for <br />terns between Kearney <br />and Duncan, Neb. <br />NGPC 0985a, p 44) and <br />NGPC (1985b, p 5) <br />To avoid flooding of nest <br />sites. <br />NGPC (1985b p 5) <br />To scour woody vegeta- <br />tion, thereby creating and <br />maintaining sandbars <br />suitable for nesting. <br />Platte River Trust (1986) <br />To supply adequate water <br />for nesting and feeding. <br />Judged sufficient to allow <br />existence of nesting <br />islands without flooding <br />the birds' nesting colonies. <br />USFWS (1987b, pp 34 -35) <br />To maintain water barrier <br />to predators and humans <br />while avoiding inundation <br />of nests. <br />